TY  - BOOK
AU  - Sprague, Howard B
TI  - Grasslands
U1  - 581.52643 
PY  - 1959///
CY  - Washington, DC
PB  - American Association for the Advancement of Science
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Ecology
KW  - Grasslands
ER  -